A bigger problem than both: the 100-1000x atmospheric mass in methane calthrates bubbling up from the ESAS that have the potential to push climate change beyond +6 ℃. Get ready for high food prices, more failed states (and more mob armed cults), regional WMD wars and mass exoduses.

It sounds rhetorical and impossible at first glance if the evidence including satellite measurements and field observations weren't so definitive. Preppers don't sound so insane at first but they're probably not thinking about sustainable semi/off-grid living in a radically-altered climate.